L6470H STMicroelectronics, L6470H Datasheet - Page 11

• Manufacturer Part Number: L6470H
• Description: Motor / Motion / Ignition Controllers & Drivers 8 - 45V 7.0A 1/128 Microstepping SPI
• Manufacturer: STMicroelectronics
• Type: Micro Stepping Motor Driverr
• Series: -r

Specifications of L6470H

• Product: Stepper Motor Controllers / Drivers
• Operating Supply Voltage: 8 V to 45 V
• Supply Current: 0.5 mA
• Mounting Style: SMD/SMT
• Package / Case: HTSSOP-28
• Operating Temperature: - 40 C to + 125 C
• Applications: Stepper Motor Driver, 2 Phase
• Evaluation Tools: *
• Number Of Outputs: 1
• Current - Output: 3A
• Voltage - Load: 8 V ~ 45 V
• Voltage - Supply: 3.3V, 5V
• Mounting Type: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L6470
3
Table 4.
General
Charge pump
Output DMOS transistor
f
f
Symbol
V
pump,max
R
T
pump,min
V
V
V
T
SthHyst
j(WRN)
I
I
DS(on)
SthOn
SthOff
pump
boot
DSS
j(SD)
I
t
q
r
Electrical characteristics
V
Electrical characteristics
V
V
V
Quiescent motor supply current
Thermal warning temperature
Thermal shutdown temperature
Voltage swing for charge pump oscillator
Minimum charge pump oscillator frequency
Maximum charge pump oscillator frequency
Average boot current
High side switch ON resistance
Low side switch ON resistance
Leakage current
Rise time
SA
S
S
S
UVLO turn on threshold
UVLO turn off threshold
UVLO threshold hysteresis
= V
SB
(3)
= 36 V; V
Parameter
DD
= 3.3 V; internal 3 V regulator; T
Doc ID 16737 Rev 2
(1)
(1)
Internal oscillator selected;
VREG = 3.3V ext;
CP floating
f
POW_SR = ‘10’
T
I
T
I
T
I
T
I
OUT = V
OUT = GND
POW_SR = '00', I
POW_SR = '00', I
POW_SR = ‘11’, I
POW_SR = ‘10’, I
POW_SR = ‘01’, I
sw,A
out
out
out
out
j
j
j
j
= 25 °C,
= 125 °C,
= 25 °C,
= 125 °C,
= 3A
= 3A
= 3A
= 3A
= f
Test condition
sw,B
S
= 15.6 kHz
(2)
(2)
J
= 25°C, unless otherwise specified.
out
out
lout
out
out
= +1A
= -1A
= ±1A
= ±1A
= ±1A
Electrical characteristics
Min
-0.3
7.5
6.6
0.7
0.37
0.51
0.18
0.23
Typ
130
160
660
800
100
100
200
300
8.2
7.2
0.5
1.1
10
80
1
Max Unit
0.65
8.9
7.8
1.3
1.4
3.1
11/64
kHz
kHz
mA
mA
mA
°C
°C
ns
Ω
V
V
V
V